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Title:
DISC BRAKE AND PISTON BOOT
Document Type and Number:
WIPO Patent Application WO/2019/107407
Kind Code:
A1
Abstract:
Provided is a piston boot (23) comprising an annular fixing part (82) that is formed on one end side of a stretchable part (81) and abuts the inner circumferential side of a cylinder (26). A first region part (117) that abuts an inner circumferential surface part (50) of the cylinder (26) and a second region part (115) that is arranged further on the bottom side of the cylinder (26) than the first region part (117) in the piston axial direction are provided on an outer circumferential part (104) of the annular fixing part (82). The outer diameter of the first region part (117) is larger than the inner diameter of a region part (132) that faces the second region part (115) in the inner circumferential surface part (50) of the cylinder (26).

Inventors:
ZHANG Xuesheng (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
NAGASHIMA Shiro (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
JAYASEKARA Ravindra (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2018/043775
Publication Date:
June 06, 2019
Filing Date:
November 28, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16D65/18; F16D65/02; F16J3/04; F16J15/52; F16D121/04; F16D125/04; F16D125/06; F16D125/08
Foreign References:
JPS58193135U1983-12-22
JP2014510244A2014-04-24
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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